@,@@,,@,,@                                          ,,@,@@@,@@
@@,@,@@,@,                                          ,@@@,,@@,,
,@@@@,@@@,                                          @,,@,@,@,@
@,,,@@,,@,                                          @,@@@@@@@@
@,,@,@,@@@                                          @@,,,,,,,,
@,@@@@@,,@                   RAILS                  ,@,,,,,,,@
@@,,,,@,@,                                          @@,,,,,,@,
,@,,,@@@@@                                          ,@,,,,,@@@
@@,,@,,,,, @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@,,,,@,,@
,@,@@,,,,,                                          ,@,,,@@,@,
@@@,@,,,,, @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@,,@,@@@,
,,@@@,,,,@                                          ,@,@@@,,@@
,@,,@,,,@,                                          @@@,,@,@,@
@@,@@,,@@, TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY ,,@,@@@@@@
,@@,@,@,@@ HAVE TO FOLLOW A SET PATH. THIS  PATH IS ,@@@,,,,,,
@,@@@@@@,, CALLED A "RAILWAY",  WHICH  IS COMPRISED @,,@,,,,,,
@@,,,,,@,@ OF TWO METAL  RAILS, HENCE ITS NICKNAME. @,@@,,,,,@
,@,,,,@@@@                                          @@,@,,,,@,
@@,,,@,,,@ BECAUSE  THE  LOW  FRICTION  BETWEEN THE ,@@@,,,@@,
,@,,@@,,@, WHEELS OF THE  TRAIN AND THE RAIL METAL, @,,@,,@,@@
@@,@,@,@@@ THERE ARE  LIMITS FOR HOW  ACUTE A CURVE @,@@,@@@,@
,@@@@@@,,@ CAN BE,  AND EVEN MORE  SO FOR HOW  MUCH @@,@@,,@@,
@,,,,,@,@@ THE  GROUND  UNDER  THE  RAILS   CAN  BE ,@@,@,@,@,
@,,,,@@@,, SLOPED. THUS A RAILWAY  IS OFTEN NOT LED @,@@@@@@@@
@,,,@,,@,, ON TOP OF  HILLS, RATHER THROUGH THEM IN @@,,,,,,,,
@,,@@,@@,, TUNNELS  (IF   THEY   ARE   LARGE),   OR ,@,,,,,,,@
@,@,@@,@,,            ARTIFICIAL CHASMS.            @@,,,,,,@,
@@@@,@@@,,                                          ,@,,,,,@@@
,,,@@,,@,@ THERE WILL BE  TREES ON THE  SIDE OF THE @@,,,,@,,,
,,@,@,@@@@ RAILS, BUT NOT TOO CLOSE,  OR THEY  WILL ,@,,,@@,,,
,@@@@@,,,, BE  CUT DOWN BY  THE  RAILWAY  JANITORS. @@,,@,@,,,
@,,,,@,,,@ THERE  WILL BE  PLAINS,  AND  BODIES  OF ,@,@@@@,,,
@,,,@@,,@,                  WATER.                  @@@,,,@,,@
@,,@,@,@@,                                          ,,@,,@@,@,
@,@@@@@,@, TRAINS GO  BY  DAY AND  BY NIGHT.  ALONG ,@@,@,@@@@
@@,,,,@@@@      THE WAY, THERE IS INFORMATION       @,@@@@,,,,
,@,,,@,,,, SCATTERED,  OFTEN PUT  ON TOP OF  POLES, @@,,,@,,,@
@@,,@@,,,@ TO  BE INTERPRETED BY THE TRAIN DRIVERS. ,@,,@@,,@@
,@,@,@,,@@ DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE @@,@,@,@,,
@@@@@@,@,,          DIFFERENT SPEED LIMITS.         ,@@@@@@@,,
,,,,,@@@,,                                          @,,,,,,@,@
,,,,@,,@,@ SOMETIMES, TRAINS HAVE TO STOP  AND WAIT @,,,,,@@@@
,,,@@,@@@, FOR SOMETHING TO HAPPEN, FAR AWAY.  THIS @,,,,@,,,@
,,@,@@,,@, IS SIGNALED  BY  RED  OR  GREEN  LIGHTS. @,,,@@,,@@
,@@@,@,@@,                                          @,,@,@,@,@
@,,@@@@,@,                 @@@@@@@@                 @,@@@@@@@@
@,@,,,@@@,                                          @@,,,,,,,,
@@@,,@,,@@ MANY  PEOPLE FOLLOW THE RAILS  BY  FOOT. ,@,,,,,,,@
,,@,@@,@,@ OFTEN  THIS  PROVES  TO  BE  THE SHORTER @@,,,,,,@,
,@@@,@@@@@ PATH  BETWEEN TWO  POINTS. HOWEVER  THIS ,@,,,,,@@,
@,,@@,,,,, IS  FROWNED  UPON,   AND  VERY  IMPOLITE @@,,,,@,@,
@,@,@,,,,,        TOWARD THE TRAIN DRIVERS!         ,@,,,@@@@@
@@@@@,,,,,                                          @@,,@,,,,,
,,,,@,,,,@                                          ,@,@@,,,,@
,,,@@,,,@,                                          @@@,@,,,@@
,,@,@,,@@@                                          ,,@@@,,@,@
,@@@@,@,,,                                          ,@,,@,@@@@
@,,,@@@,,,                                          @@,@@@,,,@